You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
133 lines
3.7 KiB
Matlab
133 lines
3.7 KiB
Matlab
function V1_cross_orient_suppression_test_contrast_temporal
|
|
linear=0;
|
|
noLGNsat=0;
|
|
crop=0;
|
|
|
|
iterations=180;
|
|
grating_wavel=6;
|
|
patch_diam=13;
|
|
contrasts=[0.0125,0.025,0.05,0.1,0.2,0.4,0.6];
|
|
node=1;
|
|
mask_drift_rate=4;
|
|
test_drift_rate=4;
|
|
mask_angle=90;
|
|
|
|
[wFFon,wFFoff]=dim_conv_V1_filter_definitions;
|
|
|
|
clf
|
|
tcount=0;
|
|
for contg=contrasts
|
|
tcount=tcount+1;
|
|
mcount=0;
|
|
for contm=[0,0.4]
|
|
mcount=mcount+1;
|
|
test_phase=0;
|
|
mask_phase=0;
|
|
for t=1:iterations
|
|
I=image_cross_orientation_sine_circular(patch_diam,patch_diam,...
|
|
grating_wavel,grating_wavel,...
|
|
0,mask_angle,test_phase,mask_phase,...
|
|
contg,contm);
|
|
[Ion(:,:,t),Ioff(:,:,t)]=preprocess_image(I,noLGNsat);
|
|
test_phase=test_phase+test_drift_rate;
|
|
mask_phase=mask_phase+mask_drift_rate;
|
|
end
|
|
[a,b,z]=size(I);
|
|
%plot original image
|
|
maxsubplot(3,length(contrasts),tcount),
|
|
imagesc(I,[0,1]);
|
|
axis('equal','tight'), set(gca,'XTick',[],'YTick',[],'FontSize',11);
|
|
drawnow;
|
|
|
|
%initial response without competition
|
|
[y,ron,roff,eon,eoff,Y]=dim_conv_on_and_off(wFFon,wFFoff,Ion,Ioff,1);
|
|
y=mean(Y,4);
|
|
maxsubplot(3,length(contrasts),tcount+length(contrasts)),
|
|
imagesc(y(crop+1:a-crop,crop+1:b-crop,node),[0,0.05]),
|
|
axis('equal','tight'), set(gca,'XTick',[],'YTick',[],'FontSize',11);
|
|
drawnow;
|
|
|
|
%perform competition
|
|
if linear
|
|
[y,Y]=linear_on_and_off(wFFon,wFFoff,Ion,Ioff,iterations);
|
|
else
|
|
[y,ron,roff,eon,eoff,Y]=dim_conv_on_and_off(wFFon,wFFoff,Ion,Ioff,iterations);
|
|
end
|
|
y=mean(Y,4);
|
|
maxsubplot(3,length(contrasts),tcount+2*length(contrasts)),
|
|
imagesc(y(crop+1:a-crop,crop+1:b-crop,node),[0,0.05]),
|
|
axis('equal','tight'), set(gca,'XTick',[],'YTick',[],'FontSize',11);
|
|
drawnow;
|
|
|
|
%record neural response
|
|
respComplex(1:iterations)=calc_resp_complex(Y,ceil(a/2),ceil(b/2),node+[0:8:31]);
|
|
meanrespComplex(tcount,mcount)=mean(respComplex,2);
|
|
|
|
respSimple(1:iterations)=Y(ceil(a/2),ceil(b/2),node,:);
|
|
meanrespSimple(tcount,mcount)=mean(respSimple,2);
|
|
|
|
end
|
|
end
|
|
|
|
figure(1),clf
|
|
subplot(3,2,[4,6])
|
|
semilogx(contrasts,meanrespSimple(:,1),'b-o','LineWidth',2,'MarkerSize',10,'MarkerFaceColor','b');
|
|
hold on
|
|
semilogx(contrasts,meanrespSimple(:,2),'r-o','LineWidth',4,'MarkerSize',10,'MarkerFaceColor','w');
|
|
if linear
|
|
axis([0.01,1,0,0.25])
|
|
set(gca,'YTick',[0:0.1:0.25]);
|
|
else
|
|
axis([0.01,1,0,0.005])
|
|
set(gca,'YTick',[0:0.001:0.005]);
|
|
end
|
|
set(gca,'FontSize',20);
|
|
xlabel('Test Contrast'),ylabel('Response')
|
|
|
|
|
|
figure(2),clf
|
|
subplot(3,2,[4,6])
|
|
semilogx(contrasts,meanrespComplex(:,1),'b-o','LineWidth',2,'MarkerSize',10,'MarkerFaceColor','b');
|
|
hold on
|
|
semilogx(contrasts,meanrespComplex(:,2),'r-o','LineWidth',4,'MarkerSize',10,'MarkerFaceColor','w');
|
|
if linear
|
|
axis([0.01,1,0,0.25])
|
|
set(gca,'YTick',[0:0.1:0.25]);
|
|
else
|
|
axis([0.01,1,0,0.1])
|
|
set(gca,'YTick',[0:0.02:0.1]);
|
|
end
|
|
set(gca,'FontSize',20);
|
|
xlabel('Test Contrast'),ylabel('Response')
|
|
|
|
|
|
|
|
figure(3),clf
|
|
maxsubplot(3,2,4)
|
|
image_diam=patch_diam+10;
|
|
spacingh=ceil((100-image_diam)/2);
|
|
L=zeros(image_diam*2+2,2*spacingh+image_diam)+0.5;
|
|
centv=ceil(image_diam/2);
|
|
for contm=[0,0.2]
|
|
centh=ceil(image_diam/2)+1;
|
|
for contg=contrasts([1,4,7])
|
|
I=image_cross_orientation_sine_circular(patch_diam,5,...
|
|
grating_wavel,grating_wavel,...
|
|
0,mask_angle,0,0,...
|
|
contg,contm);
|
|
[a,b]=size(I);
|
|
L(centv-floor(a/2):centv+floor(a/2),centh-floor(a/2):centh+floor(a/2))=I';
|
|
centh=centh+spacingh;
|
|
end
|
|
centv=centv+image_diam;
|
|
end
|
|
imagesc(L,[0,1]);
|
|
axis('equal','off')
|
|
axis([-10,2*spacingh+image_diam+10,2,2*image_diam-2])
|
|
cmap=colormap('gray');
|
|
%cmap=1-cmap;
|
|
%colormap(cmap);
|
|
hold on
|
|
plot((image_diam+spacingh)/2+[0,spacingh],image_diam/2.*[1,1],'bo','LineWidth',2,'MarkerSize',10,'MarkerFaceColor','b');
|
|
plot((image_diam+spacingh)/2+[0,spacingh],3*image_diam/2.*[1,1],'ro','LineWidth',4,'MarkerSize',10,'MarkerFaceColor','w');
|